Ocean Jasper
Orbicular Jasper (Silicon Dioxide with impurities), SiO2
mineral
Category
Synthetic Polymer (Synthetic Material)
Browse synthetic polymer (synthetic material) specimens identified by the Rock Identifier community.
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Red Sandstone
Clastic Terrigenous Sedimentary Rock (typically Hematitic Quartz Arenite or Arkose)
sedimentary
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Unakite
Unakitized granodiorite / Quartz-Epidote-Feldspar rock
metamorphic
Scoria (Basaltic Lava Rock)
Vesicular Basalt
igneous
Granite
Phaneritic Felsic Igneous Rock (composed of SiO2, KAlSi3O8, NaAlSi3O8)
igneous
Mica Schist
Mica Schist (primarily Muscovite or Biotite KAl2(AlSi3O10)(OH)2)
metamorphic
Red Sandstone
Arenite (primarily SiO2 with hematite/iron oxide coating)
sedimentary
Sandstone (specifically Red Sandstone)
Arenite (primarily Quartz, SiO2)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone (with potentially high Feldspar/Arkose content)
Clastic sedimentary rock (SiO2 dominated)
sedimentary
Sandstone (Greywacke/Siltstone variant)
Clastic Sedimentary Rock (composed primarily of Quartz SiO2 and Feldspar)
sedimentary
Basalt
Basalt (composition of plagioclase feldspar and pyroxene)
igneous
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Coquina
Biogenic Limestone (Calcite, CaCO3)
sedimentary
Quartzite Pebble
Metamorphosed Sandstone (SiO2)
metamorphic
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Milky Quartz (among River Rock)
Quartz (Silicon Dioxide, SiO2)
Mineral
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
sedimentary
Sandstone (Ferruginous)
Arenite (with Iron Oxide)
sedimentary
Sandstone (with Iron concretions/staining)
Arenite (composed primarily of Quartz and Feldspar with Iron Oxide cement)
sedimentary
Granite
Granite (Mainly Quartz SiO2, Feldspar KAlSi3O8, and Mica KAl2(AlSi3O10)(OH)2)
Igneous
Asphalt Chunk (with aggregate)
Bituminous concrete / Anthropogenic conglomerate
sedimentary (anthropogenic/man-made conglomerate)
Biotite (Black Mica)
Biotite (K(Mg,Fe++)3AlSi3O10(OH,F)2)
mineral
Conglomerate
Conglomerate (Clastic sedimentary rock)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Biggs Jasper
Cryptocrystalline Quartz (Silicon Dioxide) - SiO2
sedimentary
Muscovite Mica
Muscovite (Potassium Aluminum Silicate) - KAl2(AlSi3O10)(F,OH)2
mineral
Serpentinite (often called Jade or Nephrite substitute)
Serpentinite (composed primarily of Antigorite, Lizardite, or Chrysotile)
metamorphic
Riverstone Quartzite
Quartzite (primarily SiO2)
metamorphic
Sandstone (Red)
Arenite (SiO2 with Fe2O3)
sedimentary
Coquina / Shell Limestone
Coquina (Bioclastic Limestone)
sedimentary
Scoria (Basaltic)
Vesicular Basalt
igneous
Conglomerate
Clastic sedimentary rock (Conglomerate)
sedimentary
Sandstone (specifically Banded Sandstone)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (Quartzose Sandstone)
Arenite (SiO2)
sedimentary
Moissanite
Silicon Carbide (SiC)
mineral
Ferruginous Quartz
Quartz (Silicon Dioxide, SiO2) with iron oxide inclusions
mineral
Milky Quartz/Clear Quartz Cluster
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (primarily Quartz, SiO2)
sedimentary
Travertine
Calcareous tufa (CaCO3)
sedimentary